Convert ICD-10 Code T42.6X4D to ICD-9

Source ICD-10 Code		Target ICD-9 Code
T42.6X4D Poisn by oth antieplptc and sed-hypntc drugs, undet, subs		V58.89 Other specfied aftercare
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

ICD-10 to ICD-9 crosswalk for code T42.6X4D - poisoning by other antiepileptic and sedative-hypnotic drugs, undetermined, subsequent encounter based on the most recent General Equivalence Mappings (GEMS) information.